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Finding the Third Proportional to 10,203 and 13,162.50

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Solution

The third proportional to 10,203 and 13,162.50 is: 16,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203 : 13,162.50 = 13,162.50 : x
  2. Step 2: Convert to fraction form
    10,203/13,162.50 = 13,162.50/x
  3. Step 3: Cross multiply
    10,203x = 13,162.50 × 13,162.50
  4. Step 4: Simplify right side
    10,203x = 173,251,406.25
  5. Step 5: Solve for x
    x = 173,251,406.25/10,203
  6. Step 6: Final answer
    x = 16,980.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.